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kupik [55]
3 years ago
10

The difference of two numbers is 5. Their sum is 21. What are the numbers?

Mathematics
1 answer:
dolphi86 [110]3 years ago
6 0

Answer:

The numbers are 8 and 13.  Add to get a sum of 21, and subtract to get a difference of 5.  

Step-by-step explanation:

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Step-by-step explanation:

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4 years ago
A birthday celebration meal is $ 47.40 including tax, but not the tip. Find the total cost if a 15% tip is added to the cost of
Afina-wow [57]

Answer:

$54.51

Step-by-step explanation:

an easier way to do this is simply by multiplying 47.40x115%, which is 54.51.

another way to do this is by multiplying 47.40x15%, which is 7.11, then you'll have to added to 47.4, which gives you the same answer of 54.51

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alexgriva [62]

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916.1 cm^3

Step-by-step explanation:

1) find the radius of the cylinder:

radius = dimater / 2 = 7,3 / 2 = 3.65 cm

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base area = radius^2 x 3.14 = 3.65^2 x 3.14 = 41.83265 cm^2

3) find the height of the cylinder:

height = 7.3 x 3 = 21.9 cm

4) find the volume

V = base area x height = 41.83265 x 21.9 = 916.135035 cm^3

5) round to nearest tenth:

916. 1 cm^3

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Skill Sum
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Answer:

I don't know

Step-by-step explanation:

I don't know

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4 years ago
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